Attachment for type-writing machines.



No. 636,797. Patented Nov. l4, I899. S. M. HANEY & J. M. HURST.

ATTACHMENT FOB TYPE WRITING MACHINES.

(Application filed Feb. 23, 1898.)

' 2 SheetsSheet (No Model.)

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No. 636,797. Patented Nov. I4, I899. S. M. HANEY & J. M. HUBST.

ATTACHMENT FOB TYPE WRITING MACHINES.

(Application filed. Feb. 23, 1898.) (No Model.) 2 Sheets-Sheet 2.

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UNITED STATES PATENT OFFICE.

SUMNER M. HANEY AND JULIUS MURAT HURST, OF NEW YORK, N. Y;

ATTACHMENT FOR TYPE-WRITING MACHINES;

sfEoIFIoATIoN formingart of Letters Patent No. 636,797, dated. November 14, 189;). Application filed February 23, 1898. Serial No. 671,396. (No model.)

To all whom it may concern:

Be it known that we, SUMNER M. HANEY and J ULIUs MURAT HURST, citizens of the United States, residing in the borough of Brooklyn, in the city and State of New York, have invented certain new and useful Improvements in Attachments for Type-Writing Machines; and we do hereby declare the fol lowing to be a full, clear, and exact description of the invention, such as will enable othersskilled in the art to which it appertains to make and use the same.

This invention relates to type-writing ma chines, and particularly to the spacing or escapement mechanism of such machines; and some of the objects of the invention are to provide mechanism of this character which will be positive and efiective in operation and which will prevent the machine from doubling or skipping during the rapid operation of the same; and with these and other objects in view the invention consists, substantially, of the construction, combination, and arrangement of parts hereinafter more fully described in the specification and illustrated in the accompanying drawings, in which- Figure l is a top planview of a type-writer of the ordinary construction to which our invention has been applied. Fig. 2 is a transverse vertical section of the same, taken on lines 2 2 of Fig. 1. Fig. 3 is a detail sectional view taken on lines 3 3 of Fig. {1; and Fig. a is a rear elevation of our improved spacing mechanism, showing the top plate of the machine in section.

Similar characters of reference designate corresponding parts throughout the several views.

Referring to the drawings, and particularly to the construction shown in Fig. 1 thereof, the reference character 1 designates a top plate of an ordinary type-writing machine, in connection with which machine we have elected to illustrate our invention; but we do not confine ourselves to the use of our invention with this style or make of machine, as the same may be employed in connection with other styles or makes of machines wherein a type-basket is used. The platen-carriage 5 is supported by grooved wheels 4, adapted to travel on the carriage guide-rail 3, mounted in lugs or cars 2, formed on the top plate, and

the front portion of the platen-carriage 5 is mounted upon a grooved wheel 6, adapted to travel upon the shift-rail 7 in the usual manner, and connected with the rear edge of the platen-carriage 5 are depending curved arms 8, which extend below the carriage guide-rail 3 to prevent the disengagement of the carriage therefrom. The lateral movement of the carriage is controlled by top pins 9, adapted to limit the movement of the carriage by engagement with a lug or projection 10 upon the carriage.

Revolubly mounted in the side bars 11 and 12 of the platen-carriage 5 is the platen 13, provided with a ratchet-wheel 1%, with which operates a spring-actuated roller 15, and journaled in the lower extremities of the depending arms or links 16, pivotally connected with the transverse shaft 19, is the axis or shaft 17 of the feed-roller 18, and the apron or guideplate 20 is carried by the rock-shaft 21, journaled in the side bars 11 and 12 of the platen carriage in the usual manner. 7

With the exception of the spacing mechanism the construction herein shown is well known in the art and forms no part of this invention, the same being only illustrated here to exemplify the operation 'of this invention. Hence it will be unnecessary to further describe the same in detail.

The spacing mechanism consists, substantially, of the following parts, which will now be described in detail, reference being had particularly to the construction shown in Figs. 2 to 4 of the drawings.

Formed on or connected with the top plate of a machine in any suitable manner is a casting or bearing 23, in which is journaled a shaft or spindle 24, carrying upon the inner end thereof a pinion 25 and loosely mounted upon the outer end a toothed or escapement wheel 26, carrying a hub 27, and upon the outer face is secured a spring or similar device 28, the free end of which bears upon a pawl 29, pivoted upon the outer face of said wheel and adapted to engage with the ratchet-wheel 30, secured upon the outer extremity of said shaft or spindle 24 by a setscrew or similar device 31. In order to permit of the revolution of the shaft 24: when the carriage is returned without disengagement of the rack-bar from the ratchet-wheel, the top plate of the machine is cut away, as shown at 32.

Mounted on a transverse shaft 33, journaled in depending hangers 34, formed on or connected with the top plate 2 by means of pivot-pins 35, secured by set-screws 36, is a screw-wheel 37, upon each side of which and upon said shaft 33 are mounted ratchet-wheels 38 and 38. The former of these is adapted to be engaged by a spring-actuated pawl 39, carried by a vertical arm 40, mounted upon a transverse shaft 41, journaled on pivot-pins 42, secured in said hangers 34 by set-screws 43 in the manner before described.

Connected with the shaft 41 by means of a collar 44, carrying a set-screw 45, is one end of a spiral or other spring 46, the other end of said spring being connected to an adj usting-block 45, carried by a regulating-screw 46, adjustably mounted in an angular frame 47, formed on or connected with one of the hangers 34 and with a transverse strip 48, as clearly shown. Adjustably mounted in the cross-strip 48-by means of set-nuts 49 is a rod 50, the upper end of which is bifurcated, and in the bifurcated portion thereof is pivoted a pawl 51, which is forced inwardly by aspring or similar device 52 into engagement with the ratchet-wheel 38, carried by the shaft 33, to prevent the forward movement of the screwwheel 37, said screw-wheel being normally drawn forward by the pull of the pawl 39, which engages the ratchet-wheel 38, as before described.

Connected with the shaft 41 in any suitable manner is an arm or lever 53, the inner end of which is connected with a cross-bar 54, adapted to receive one end of the wires or rods 55, connected at their lower extremities to the universal bearing 56, extending beneath the key-levers 57 in the usual manner, the extremities of said bearing 56 being attached to the side arms 57" of the spacer 58, as will be readily understood.

The arm 40 is preferably provided with a release-pin 59, adjustably mounted therein by regulated nuts 60, so that the disengagement of the pawl 51 with the ratchet-wheel 38 is such that the rotation of the screwwheel 37 may be accuratelyregulated, and it will be understood that the face of the teeth of the escapement-wheel 26 will bear against the edge of the obliquely-inclined ribs of the screw-wheel 37, and when the arm 53 is depressed the shaft 33 will be rotated in the direction of the arrow A, Fig. 2, by the following operation: The pawl 39 will be impelled forwardly toward the front of the machine and will engage the preceding tooth of the ratchet-wheel 38 slightly after the releasingpin 59 contacts with the pawl 51, thereby throwing the same out of engagement with the teeth of the ratchet-wheel 38 and permitting the rotation of the screw-wheel 37 in the direction of arrow A by the backward movement of the arm 40, caused by the action of the spring 46. As soon as the screw wheel 37 has been rotated in the direction of the arrow A, as just described, the edge of the rib of the wheel 37 will pass out of engagement with the bearing-tooth of the escapement-wheel 26, and said tooth will pass between the ribs of the screw-wheel, and the next following tooth of the escapement-wheel will contact with and be stopped by the edge of the next following rib on the screw-wheel, and this will be repeated as often as the spacebar or any of the keys of the machine are depressed until the carriage shall have reached the limit of travel.

Mounted upon the carriage guide-rod 3 are inwardlydirected arms 61, carrying upon their free ends a rack-bar 62, adapted to engage with the pinion 25 upon the inner end of the shaft 24.

The operation of the invention will be readily understood from the foregoing description when taken in connection with the accompanying drawings and the following explanation thereof.

If it is required to space one or more points in the same line of writing, it may be accomplished by depressing the space-bar 58, which actuates the spacing mechanism in the manner before described. The carriage 5' may be returned to its starting position by merely pulling the same backwardly, which rotates the pinion 25 and the shaft 24 and causes the pawl 29 to run over the teeth of the pinion 30 without disengagement of the escapementwheel 26 from the screw-wheel 37 or disengaging the rack-bar 62 from the pinion 25, as will be readily understood.

We do not desire to confine ourselves to the construction, combination, and arrangement of parts herein shown and described, and we reserve the right to make all such changes in and modifications of the same as fairly come within the spirit and scope of our invention.

Having fully described our invention, what we claim as new, and desire to secure by Letters Patent, is-

1. A spacing attachment for type-writing machines provided with a shaft carrying a pinion, and escapement-wheel, an independent shaft carrying a screw-wheel, adapted to operate said escapement-wheel, said escapement-wheel being adapted to press against the sides of the said screw-wheel, when said screwwheel is at rest, said pinion, engaging with a rack-bar upon the paper-carriage of a typewriting machine and means operated by the keys and space-bar of a type-writing machine for operating the screw-wheel.

2. A spacing attachment for type-writing machines provided with a shaft mounted in a stationary bearing, and carrying a pinion and escapement wheel, said escapementwheel being loosely mounted thereon, the former being adapted to engage the rack-bar, connected with the paper-carriage, a screwwheel connected upon a transverse shaft adapted to engage with said escapementseg'ver 8 wheel and means operated by the keys and space-bar for actuating said screw-wheel and escapement-wheel to space the carriage.

3. A spacing attachment for type-writing machines provided with a shaft carrying a pinion, an escapement-wheel loosely mounted upon said shaft, and provided with ahub, said pinion being adapted to engage a rackbar, a shaft carrying a screw-wheel adapted to engage with said escapement-wheel and means operated by the keys and space-bar for actuating said screw-Wheel and escapement-wheel to space the carriage.

4. A spacing attachment for type-writing machines provided with a shaft carrying a pinion upon one end, and a fixed ratchet- Wheel and a loosely-mounted escapementwheel upon the opposite end thereof, the pinion being adapted toengage the rack-bar connected with the paper-carriage, a screw-wheel mounted upon a shaft. having antifrictionjournals, and adapted to be operated with said escapement-wheel and means operated by the keys and space-bar for actuating said screw-wheel and escapement-wheel to space the carriage.

5. A spacing attachment for type-Writing machines provided with a shaft carrying a pinion, an escapement-wheel loosely mounted thereon, said shaft having a hub keyed thereto and provided with a ratchet-Wheel, the said pinion being adapted to engage a rack-bar,a screw-wheel provided with ratchet- Wheels and means operated by the keys and space-bar for actuating said screw-wheel and escapement-wheel to space the carriage.

6. A spacing attachment for type-Writing machines provided with a shaft carrying a pinion, an escapement-wheel loosely mounted thereon, said shaft having a hub secured thereto and provided with a ratchet-wheel, a

spring-actuated pawl pivotally attached to said escapement Wheel, the former being adapted to engage a rack-bar, a screw-wheel provided with ratchet-Wheels and pawls in engagement with said ratchet-Wheels, for actuating said screw-wheel and escapementwheel to space the carriage.

7. In regulating mechanism, a screw spacing-wheel constructed to positively measure the spacing of a rack-bar, an escapementwheel having peripheral teeth formed at predetermined positions thereon,adapted to press against the side of the screw-wheel when at rest and to pass through the groove in said wheel to measure the movement of the rackbar.

8. A spacing attachment for type-writing machines provided with a shaft carrying a pinion and escapement-Wheel, a shaft mounted on antifriction-journals, and carrying a screw-wheel and ratchet-Wheels, a spring-actuated shaft mounted on antifriction-journals and carrying means to engage said ratchet- Wheels to throw the screw-Wheel into and out of engagement with the escapement-wheel and means for regulating the tension of a spring-actuated shaft.

9. A spacing attachment for type-writing machines provided with alongitudinal shaft carrying a pinion and escapement-Wheel, a transverse shaft carrying a screw-wheel provided upon the periphery thereof with inclined ridges or screw-threads adapted to engage the teeth of said escapement-wheel, ratchet-Wheels on each side of said screwwheel, oppositely-operating pawls engaging said ratchet-wheels on said transverse shaft and means for operating said parts.

10. A spacing attachment for type-Writing machines provided with a longitudinal shaft carrying an escapement-wheel and a pinion, the latter being adapted to engage with a rackbar, a transverse shaft carrying a screw-wheel having peripheral inclined ridges or screwthreads adapted to engage the teeth of said escapement-wheel, ratchet-wheels on each side of said screw-Wheel, a pawl adapted to operate with one of said ratchet-wheels on the transverse shaft to release the engagement of the escapement-wheel and another pawl operating with the other ratchet-Wheel and transverse shaft to limit the movements of said screw Wheel and means for operating the parts.

11. A spacing attachment for type-writing machines provided with a longitudinal shaft carrying an escapement-Wheel and a pinion the latter being engaged with a rack-bar, a transverse shaft carrying a screw-Wheel having peripheral inclined ridges or screw-threads adapted to engage the teeth of said escape-l merit-wheel, ratchet-wheels on each side of said screw-wheel, a pawl adapted to be operated with one of the said ratchet-wheels on the transverse shaft to release the engagement of the escapement-Wheel, and another pawl op erating with the other ratchet-wheel on said transverse shaft to limit the movements of said screw-wheel and means upon the face of the escapement-wheel to regulate the tension of the pawls.

In testimony whereof we affix our signatures in presence of two witnesses.

SUMNER M. HANEY. JULIUS MURAT HURST.

Witnesses:

J AMES R. ROGERS, C. S. ROGERS. 

